From: Markus Elfring <elfr...@users.sourceforge.net>
Date: Mon, 26 Dec 2016 18:14:33 +0100

A multiplication for the size determination of a memory allocation
indicated that an array data structure should be processed.
Thus use the corresponding function "kmalloc_array".

This issue was detected by using the Coccinelle software.

Signed-off-by: Markus Elfring <elfr...@users.sourceforge.net>
---
 drivers/media/v4l2-core/v4l2-async.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/media/v4l2-core/v4l2-async.c 
b/drivers/media/v4l2-core/v4l2-async.c
index 5bada202b2d3..277183f2d514 100644
--- a/drivers/media/v4l2-core/v4l2-async.c
+++ b/drivers/media/v4l2-core/v4l2-async.c
@@ -202,7 +202,7 @@ void v4l2_async_notifier_unregister(struct 
v4l2_async_notifier *notifier)
        if (!notifier->v4l2_dev)
                return;
 
-       dev = kmalloc(n_subdev * sizeof(*dev), GFP_KERNEL);
+       dev = kmalloc_array(n_subdev, sizeof(*dev), GFP_KERNEL);
        if (!dev) {
                dev_err(notifier->v4l2_dev->dev,
                        "Failed to allocate device cache!\n");
-- 
2.11.0

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